Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the distance ...

Astronomers have taken a huge leap towards discovering habitable worlds, and the world now eagerly anticipates a rocky planet ...

Astronaut training often involves extremely complex operational environments, making the simulation of real space ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...